Joe Swift and Rachel De Thame head up the team of garden experts as they revel in the joy of the RHS Hampton Court Palace Garden Festival, offering analysis and advice for every type of gardener from newcomers to seasoned pros.In the first of three programmes, they take a first look at the work of this year's crop of designers, all of whom have created beautiful and thought-provoking gardens. Carol Klein will be revelling in the Festival of Roses, Arit Anderson discovers the latest trend for no-dig allotments and Toby Buckland begins his guide to creating the perfect outdoor living space for summer. Expect beautiful flowers, aspirational gardens and take-home ideas to appeal to all.